กิมะพงศ์ ก. Effect of Fsw Stirrer Geometries on Tensile Strength of AA6063-T1 and AIS11015 Butt Joint. Front Eng Innov Res. [internet]. 2007 Jun. 30 [cited 2026 Sep. 2];9:61-7. available from: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242249